CN112972119A - Preparation method of paper diaper core - Google Patents
Preparation method of paper diaper core Download PDFInfo
- Publication number
- CN112972119A CN112972119A CN202110149138.8A CN202110149138A CN112972119A CN 112972119 A CN112972119 A CN 112972119A CN 202110149138 A CN202110149138 A CN 202110149138A CN 112972119 A CN112972119 A CN 112972119A
- Authority
- CN
- China
- Prior art keywords
- folding
- absorption
- fluff pulp
- transverse
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/496—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The invention relates to the field of disposable sanitary products, in particular to a preparation method of a paper diaper core, which mainly solves the problem of low absorption efficiency of the paper diaper core in the prior art and comprises the following steps: preparing an absorption layer, a fluff pulp layer and a hot air non-woven fabric, compounding, impressing and cutting the absorption layer to form an absorption body, folding two sides of the absorption body to form an absorption core layer, sewing two groups of seam lines side by side along the longitudinal direction of a front region respectively to enable the free end of a second folding portion, the free end of a first folding portion and the transverse middle portion of the absorption body to be sewn, fixedly connecting the free end of the second folding portion, the free end of the first folding portion and the transverse middle portion of the absorption body, folding the absorption core layer for the second time to form a folding region, forming the second absorption body through a forming die wheel, cutting the second absorption body into single second absorption blocks, and compounding the second absorption blocks on the lower surface of a.
Description
Technical Field
The invention relates to the field of disposable sanitary products, in particular to a preparation method of a paper diaper core.
Background
The paper diaper core body is a core part for ensuring the water absorption and locking functions, after water is absorbed, water is easily accumulated at a water injection part and is not easy to diffuse, and due to the influence of gel retardation, the utilization rate of a high-molecular water absorption material is low, and the water locking capacity has certain limitations. Meanwhile, the structure of the material is relatively loose, so that once water is absorbed, the material can be agglomerated and faulted, and the core body is often inevitably deformed through movement and extrusion. In the prior art, a stepped powder spraying type is developed from a sandwich structure and a uniform mixing structure by improving a mode of mixing a high-molecular water-absorbing material with wood pulp, but the deformation of a core body cannot be effectively improved.
In the prior art, a method for preparing a composite absorbent core and a production device thereof are disclosed in application No. 201811191310.0. The production equipment comprises a conveying device, and a front glue spraying device, a cloth guide roller, a lower-layer polymer injection device, a negative pressure device, an upper-layer polymer injection device and a rear glue spraying device which are sequentially connected; the upper and lower layer polymer injection devices are blanking rollers, a plurality of grooves are arranged on the outer wall of the blanking roller, and when the blanking roller rotates, the polymer water-absorbent resin is injected into the non-woven fabric through the grooves; the blanking roller is also provided with a filling area matched with the diversion trench, and the filling area is internally provided with filler for sealing the groove, so that the filling area is free of macromolecular water-absorbent resin, and the diversion trench is formed during blanking. The diversion trench formed by the invention has accurate positioning and clear outline, avoids the drifting and accumulation of macromolecules, reduces the phenomena of reverse osmosis and leakage, improves the permeation speed and the diffusion speed of the core body, and is simple and easy to replace the position and the shape of the diversion trench.
The ultrathin composite core product as claimed in application No. 201720950267.6, wherein the composite core comprises a hot-air non-woven fabric, a fluffy hot-air non-woven fabric, a high polymer water-absorbing material and a coated non-woven fabric which are sequentially arranged from top to bottom. The manufacturing system for manufacturing the ultrathin composite core product comprises a plurality of clamping and pressing driving rollers, a polymer feeding device, a composite drum device and a coating device; the clamping and pressing driving roller is arranged on the upstream side or the downstream side of the composite drum device; the hot-air non-woven fabric and the fluffy hot-air non-woven fabric are gradually conveyed into a composite drum device after being clamped and pressed by a first clamping and driving roller; the discharge hole of the polymer feeding device is arranged at a product compounding position on the compounding drum device; the coated non-woven fabric is gradually conveyed into a composite drum device; and the product compounded by the compounding drum device is then coated by the coating device to form the compound core body. Compared with the prior art, the invention has the advantages of good diversion and diffusion performance, good absorption performance, high permeation speed, small reverse permeation quantity and the like.
However, the technical solutions in the prior art still have the following disadvantages: the upper layer of the paper diaper core is compact, the lower layer of the paper diaper core is loose, and the rapid absorption of body fluid is influenced from the perspective of the speed of the absorbent liquid, the body fluid is absorbed too slowly, the body fluid is not easy to infiltrate downwards, and the probability of increasing the leakage of the body fluid is increased; thereby affecting the use of the absorbent hygiene article. It is necessary to solve these problems.
Disclosure of Invention
Therefore, aiming at the problems, the invention provides a preparation method of a paper diaper core, which mainly solves the problem of low absorption efficiency of the paper diaper core in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a preparation method of a paper diaper core comprises the following steps:
1) conveying a coating material into a forming device through a coating material conveying device, defining that the coating material extends into a longitudinal direction along the conveying direction of the coating material and extends into a transverse direction along the width direction, outputting fluff pulp into the coating material by a first fluff pulp fiber conveying device, outputting high-molecular water-absorbent resin particles into the coating material by a high-molecular water-absorbent resin particle feeding and scattering device, upwards folding the transverse two sides of the coating material through a folding device to coat the fluff pulp and the water-absorbent resin particles to form an absorption layer, outputting the fluff pulp to the absorption layer through a second fluff pulp fiber conveying device to form a fluff pulp layer, covering the fluff pulp layer on a hot-air non-woven fabric by a forming device, pressing and embossing the hot-air non-woven fabric and the coating material by a pressing machine, cutting through a cutting device to obtain an absorber with a blocky structure, and sequentially dividing the absorber into a front area and a rear area along, the ratio of the transverse width dimension of the front region to the transverse width dimension of the rear region is 2.5-3: 1, and the two transverse side edges of the front region are of arc structures;
2) folding the transverse side of the front region upwards and inwards by a first folding device to be attached to the transverse middle part of the front region, wherein the folding part is a first folding part;
3) the other transverse side of the front region is folded upwards and inwards by a second folding device so as to be attached to a first folding part, and the folding part is a second folding part;
4) two groups of seam lines are sewn side by side along the longitudinal direction of the front region respectively, so that the free end of the second folding part, the free end of the first folding part and the transverse middle part of the absorber are sewn, connected and fixed, and the width size of the seam lines and the transverse side of the absorber close to the seam lines is 25-40 mm;
5) slitting the product of step 4 into individual absorbent cores;
6) the absorption core body rotates 90 degrees through the variable-transverse speed changing device, so that the absorption core body is originally distributed in the longitudinal direction and is changed into the distribution in the transverse direction;
7) folding the absorbent core upwardly and inwardly along a boundary region between the front region and the back region by a third folding means so that the front region is attached to the back region, the folded region being a first fold line;
8) then, the free end of the front region is folded outwards by a fourth folding device, the folding region is a second folding line, the second folding line is parallel to the first folding line, the distance between the second folding line and the first folding line is 5-8 mm, and the folding region is formed;
9) forming the second absorbent body through a forming die wheel, and cutting the second absorbent body into individual second absorbent blocks;
10) and (3) compounding the second absorption block in the step (9) on the lower surface of the rear area of the product in the step (8) and close to the folding area to form a paper diaper core, wherein the width dimension of the second absorption block is the same as that of the rear area, and the length dimension of the second absorption block is smaller than that of the rear area.
Furthermore, the absorption core body and the folding area are provided with at least three rubber bands side by side along the width direction.
Furthermore, the two sides of the width direction of the folding area on the absorption core body are inwards provided with abdicating grooves.
Furthermore, in the step 4, through holes are arranged in rows at a position, located in a seam line group, of the absorber along the longitudinal direction, the seam line group includes first seams and second seams, the first seams are distributed on the upper surface of the absorber, the second seams are distributed on the lower surface of the absorber, and the first seams and the second seams realize cross winding connection through the through holes.
Furthermore, be provided with the line of a plurality of regular hexagon on the hot-blast non-woven fabrics, it is a plurality of the line is hugged closely in proper order and is arranged, adjacent two communicate between the line.
Further, the width of the fluff pulp layer is larger than or equal to that of the hot-air non-woven fabric, and the width of the fluff pulp layer is smaller than that of the absorption layer.
Further, the density of the absorption layer is 1.2-43.5 g/cm3(ii) a The density of the fluff pulp layer is 0.5-41.2 g/cm3。
Further, the particle size of the high molecular water absorbent resin particles in the absorption layer is gradually increased from top to bottom.
Furthermore, the particle size of the high-molecular water-absorbent resin particles is 30-620 μm.
By adopting the technical scheme, the invention has the beneficial effects that: the preparation method of the diaper core has the advantages of simple production process, low cost and convenience for large-scale production and popularization; the prepared diaper core can introduce a large amount of body fluid, can absorb quickly, can increase water storage capacity, can effectively prevent body fluid from reverse osmosis, is sewn and fixed through the arranged first folding part and the second folding part, enables the absorption capacity of the front area to be large, simultaneously forms a containing cavity area on the front area close to the rear area, prevents forward movement when excrement in the rear area is not processed in time, enables dry and wet separation to be realized, has obvious using effect, can wrap the excrement better through the containing cavity area during wrapping, prevents leakage, enables the front area and the rear area to form a ladder structure through the arranged folding area, effectively plays roles of isolation and buffering, can enable the front area to be better attached to skin, facilitates the quick absorption of discharged liquid, simultaneously provides space between the rear area and the skin when the excrement is discharged, and avoids being extruded on the skin, and a buffering effect is formed, and the use comfort is improved.
Drawings
FIG. 1 is a flow chart illustrating the preparation of an embodiment of the present invention;
FIG. 2 is a schematic sectional view of an absorbent core in an embodiment of the invention;
figure 3 is a schematic top view of an absorbent core in an embodiment of the invention.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and detailed description.
The embodiment of the invention is as follows:
referring to fig. 1, 2 and 3, a method for manufacturing a diaper core includes the following steps:
1) conveying a coating material into a forming device through a coating material conveying device, defining the extension of the conveying direction of the coating material into a longitudinal direction, extending the width direction of the coating material into a transverse direction, outputting fluff pulp into the coating material through a first fluff pulp fiber conveying device, outputting high-molecular water-absorbent resin particles into the coating material through a high-molecular water-absorbent resin particle feeding and scattering device, upwards folding the transverse two sides of the coating material through a folding device to coat the fluff pulp and the water-absorbent resin particles to form an absorption layer 1, outputting the fluff pulp to the absorption layer through a second fluff pulp fiber conveying device to form a fluff pulp layer 2, covering a hot-air non-woven fabric 3 on the forming device fluff pulp layer, laminating and embossing the hot-air non-woven fabric 3 and the coating material through a pressing machine, and obtaining a cutting through a cutting deviceBecome massive structure's absorber 4, be provided with a plurality of regular hexagon's line 5 on the hot-blast non-woven fabrics 3, it is a plurality of line 5 is hugged closely in proper order and is arranged, adjacent two communicate between the line 5, the width on fluff pulp layer 2 equals the width of hot-blast non-woven fabrics 3, the width on fluff pulp layer 2 is less than the width of absorbed layer 1, the particle diameter of polymer water-absorbent resin granule in the absorbed layer 1 from top to bottom crescent, the particle diameter of polymer water-absorbent resin granule is 30 ~ 620 mu m, the density of absorbed layer 1 is 1.2 ~ 43.5g/cm3(ii) a The density of the fluff pulp layer 2 is 0.5-41.2 g/cm3The absorbent body 1 is sequentially divided into a front region 10 and a back region 20 along the longitudinal direction, the ratio of the transverse width dimension of the front region 10 to the transverse width dimension of the back region 20 is 2.8:1, and the two transverse sides of the front region 10 are in an arc structure; when in use, body fluid enters the fluff pulp layer 2 through the hot air non-woven fabric 3, and the hot air non-woven fabric 3 guides the body fluid and fixes the fluff pulp layer 2; the fluff pulp fibers in the fluff pulp layer 2 rapidly disperse body fluid, or diffuse the body fluid to the absorption layer 1 through capillary action, and meanwhile, the fluff pulp layer 2 has bulkiness, so that the fluff pulp layer 2 can convey the body fluid, and the body fluid is diffused and stored; the mixture of the fluff pulp fibers and the polymer absorption resin particles in the absorption layer 1 can not only utilize the fluff pulp fibers to accelerate the transmission and the diffusion of body fluid, but also utilize the polymer absorption resin particles to store a large amount of body fluid, the absorption of the body fluid is fast, the infiltration of the body fluid is facilitated, the leakage probability of the body fluid is reduced, the density of the fluff pulp fibers in the absorption layer 1 is gradually reduced from top to bottom, and the density of the polymer absorption resin particles in the absorption layer 1 is gradually increased from top to bottom; the function of the fluff pulp capable of rapidly conveying body fluid is fully utilized, and when the body fluid appears in the hot-air non-woven fabric, the fluff pulp in the fluff pulp layer 2 is utilized to rapidly diffuse the body fluid to the fluff pulp fibers in the absorption layer 1; the fluff pulp fibers in the absorption layer 1 are quickly diffused to the polymer absorption resin particles for storage, so that the storage capacity of body fluid is greatly improved, and the density of the fluff pulp fibers in the absorption layer 1 is gradually reduced from top to bottom, so that a large amount of body fluid can be introduced and quickly transmitted to the polymer absorption resin particles; polymer absorber in absorption layer 1The density of the resin receiving particles is gradually increased from top to bottom, so that the contact area with fluff pulp fibers can be increased, and the water storage capacity can be increased; a large amount of polymer absorbent resin particles of bottom in the absorbed layer 1 can prevent effectively that the body fluid from reverse permeating, simultaneously, the design of this structure for absorbent 4 can keep the buckling of absorbed layer 1, tapetum 2 and hot-blast non-woven fabrics 3 in folding, reduces the aversion of fluff pulp and polymer water absorbent resin, keeps better fixed, is favorable to the absorption to the body fluid.
When the body fluid flows onto the hot air non-woven fabric 3, the plurality of regular hexagonal grains 5 can guide the body fluid, so that the body fluid is guided to diffuse the edge; the body fluid is prevented from being irregularly diffused, so that the fluff pulp layer 2 and the absorption layer 1 completely absorb the body fluid, and the gathering degree of fluff pulp fibers from the fluff pulp layer 2 to the absorption layer 1 is from relatively loose to compact, namely from low density to high density; through carrying out the gradient formula to the density of fluff pulp fibre and arranging, absorption body fluid that can be quick to do benefit to liquid infiltration, effectively reduce the body fluid and leak the probability.
2) Folding the transverse side of the front region upwards and inwards by a first folding device to attach the transverse side of the front region to the transverse middle part of the front region, wherein the folding part is a first folding part 6;
3) the other transverse side of the front region is folded upwards and inwards by a second folding device to be attached to a first folding part 6, and the folding part is a second folding part 7;
4) two groups of seam line groups 8 are sewn side by side along the longitudinal direction of a front region respectively, so that the free end of the second folding part 7, the free end of the first folding part 6 and the transverse middle part of the absorber 1 are sewn, connected and fixed, the width size of the seam line group 8 and one side of the absorber 1 close to the seam line group 8 in the transverse direction is 30mm, the absorber 1 is provided with through holes 9 in a row along the longitudinal direction at the seam line group 8, the seam line group 8 comprises first seams 81 and second seams 82, the first seams 81 are distributed on the upper surface of the absorber 1, the second seams 82 are distributed on the lower surface of the absorber 1, and the first seams 81 and the second seams 82 realize cross winding connection through the through holes 9;
5) slitting the product of step 4 into individual absorbent cores 11;
6) the absorption core body 11 rotates 90 degrees through the transverse-changing speed-changing device, so that the absorption core body 11 is originally distributed in the longitudinal direction and is changed into being distributed in the transverse direction;
7) folding the absorbent core 11 upwardly and inwardly by a third folding means along the interface area of the front region 10 and the back region 20 so that the front region is attached to the back region 20, the folded area being a first fold line 21;
8) folding the free end of the front region 10 outwardly by a fourth folding means, the folding region being a second fold line 22, said second fold line 22 being parallel to the first fold line 21, the second fold line 22 being spaced 6mm from the first fold line 21, the folding region forming a folding zone 30;
9) forming the second absorbent body by a forming die wheel and cutting it into individual second absorbent blocks 12;
10) and (3) compounding the second absorption block 12 in the step (9) on the lower surface of the back area 20 of the product in the step (8) and close to the folding area 30 to form a diaper core, wherein the width dimension of the second absorption block 12 is the same as that of the back area 20, and the length dimension of the second absorption block 12 is smaller than that of the back area 20.
Between the above step 7 and step 8. Three rubber bands 13 are arranged on the absorption core body 11 and at the folding area 30 side by side along the width direction of the absorption core body, and abdicating grooves 14 are inwards concavely arranged on two sides of the absorption core body 11 at the folding area 30 in the width direction.
The production process of the diaper core is simple, the cost is low, and the diaper core is convenient for large-scale production and popularization; the prepared diaper core can introduce a large amount of body fluid, can absorb quickly, can increase water storage capacity, can effectively prevent body fluid from reverse osmosis, is sewn and fixed through the arranged first folding part 6 and the second folding part 7 and the seam line group 8, ensures that the absorption capacity of the front area is large, simultaneously, a containing cavity area is formed on the front area 10 close to the rear area 20, prevents forward movement when excrement in the rear area is not treated in time, ensures dry-wet separation, has obvious use effect, can realize better wrapping of the excrement through the containing cavity area during wrapping, prevents leakage, and ensures that the front area and the rear area 20 form a ladder structure through the arranged folding area 30, effectively plays the roles of isolation and buffering, can ensure that the front area 10 is better attached to the skin, is convenient for the quick absorption of the discharged liquid, and simultaneously provides space when the excrement is discharged, avoid extruding on skin to and form buffering effect, improve the travelling comfort of using.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A preparation method of a paper diaper core is characterized by comprising the following steps: the method comprises the following steps:
1) conveying a coating material into a forming device through a coating material conveying device, defining that the coating material extends into a longitudinal direction along the conveying direction of the coating material and extends into a transverse direction along the width direction, outputting fluff pulp into the coating material by a first fluff pulp fiber conveying device, outputting high-molecular water-absorbent resin particles into the coating material by a high-molecular water-absorbent resin particle feeding and scattering device, upwards folding the transverse two sides of the coating material through a folding device to coat the fluff pulp and the water-absorbent resin particles to form an absorption layer, outputting the fluff pulp to the absorption layer through a second fluff pulp fiber conveying device to form a fluff pulp layer, covering the fluff pulp layer on a hot-air non-woven fabric by a forming device, pressing and embossing the hot-air non-woven fabric and the coating material by a pressing machine, cutting through a cutting device to obtain an absorber with a blocky structure, and sequentially dividing the absorber into a front area and a rear area along, the ratio of the transverse width dimension of the front region to the transverse width dimension of the rear region is 2.5-3: 1, and the two transverse side edges of the front region are of arc structures;
2) folding the transverse side of the front region upwards and inwards by a first folding device to be attached to the transverse middle part of the front region, wherein the folding part is a first folding part;
3) the other transverse side of the front region is folded upwards and inwards by a second folding device so as to be attached to a first folding part, and the folding part is a second folding part;
4) two groups of seam lines are sewn side by side along the longitudinal direction of the front region respectively, so that the free end of the second folding part, the free end of the first folding part and the transverse middle part of the absorber are sewn, connected and fixed, and the width size of the seam lines and the transverse side of the absorber close to the seam lines is 25-40 mm;
5) slitting the product of step 4 into individual absorbent cores;
6) the absorption core body rotates 90 degrees through the variable-transverse speed changing device, so that the absorption core body is originally distributed in the longitudinal direction and is changed into the distribution in the transverse direction;
7) folding the absorbent core upwardly and inwardly along a boundary region between the front region and the back region by a third folding means so that the front region is attached to the back region, the folded region being a first fold line;
8) then, the free end of the front region is folded outwards by a fourth folding device, the folding region is a second folding line, the second folding line is parallel to the first folding line, the distance between the second folding line and the first folding line is 5-8 mm, and the folding region is formed;
9) forming the second absorbent body through a forming die wheel, and cutting the second absorbent body into individual second absorbent blocks;
10) and (3) compounding the second absorption block in the step (9) on the lower surface of the rear area of the product in the step (8) and close to the folding area to form a paper diaper core, wherein the width dimension of the second absorption block is the same as that of the rear area, and the length dimension of the second absorption block is smaller than that of the rear area.
2. The method for manufacturing a diaper core according to claim 1, wherein: at least three rubber bands are arranged on the absorption core body and at the folding area side by side along the width direction of the absorption core body.
3. The method for producing a diaper core according to claim 1 or 2, characterized in that: and two sides of the width direction of the folding area on the absorption core body are inwards concave with abdicating grooves.
4. The method for manufacturing a diaper core according to claim 3, wherein: in the step 4, the absorption body is provided with a row of through holes along the longitudinal direction at a seam line group, the seam line group comprises first seams and second seams, the first seams are distributed on the upper surface of the absorption body, the second seams are distributed on the lower surface of the absorption body, and the first seams and the second seams realize cross winding connection through the through holes.
5. The method for manufacturing a diaper core according to claim 4, wherein: the hot-blast non-woven fabrics is provided with a plurality of regular hexagonal lines, and a plurality of lines are arranged in a clinging manner in sequence, and are adjacent to each other.
6. The method for manufacturing a diaper core according to claim 5, wherein: the width of the fluff pulp layer is larger than or equal to that of the hot-air non-woven fabric, and the width of the fluff pulp layer is smaller than that of the absorption layer.
7. The method for manufacturing a diaper core according to claim 6, wherein: the density of the absorption layer is 1.2-43.5 g/cm3(ii) a The density of the fluff pulp layer is 0.5-41.2 g/cm3。
8. The method for manufacturing a diaper core according to claim 7, wherein: the particle size of the high-molecular water-absorbent resin particles in the absorption layer is gradually increased from top to bottom.
9. The method for manufacturing a diaper core according to claim 7, wherein: the particle size of the high-molecular water-absorbent resin particles is 30-620 mu m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110149138.8A CN112972119B (en) | 2021-02-03 | 2021-02-03 | Preparation method of paper diaper core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110149138.8A CN112972119B (en) | 2021-02-03 | 2021-02-03 | Preparation method of paper diaper core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112972119A true CN112972119A (en) | 2021-06-18 |
| CN112972119B CN112972119B (en) | 2022-05-31 |
Family
ID=76346387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110149138.8A Active CN112972119B (en) | 2021-02-03 | 2021-02-03 | Preparation method of paper diaper core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112972119B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114931467A (en) * | 2022-05-09 | 2022-08-23 | 美佳爽（中国）有限公司 | Preparation method of novel ultrathin core |
| CN115154048A (en) * | 2022-06-27 | 2022-10-11 | 福建恒安集团有限公司 | Production process of absorption core |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1326725A (en) * | 2000-05-12 | 2001-12-19 | 强生股份有限公司 | Sanitary napkins with ventilation extension piece |
| US20070239128A1 (en) * | 2006-04-06 | 2007-10-11 | Uni-Charm Corporation | Disposable diaper |
| CN203483587U (en) * | 2013-08-09 | 2014-03-19 | 重庆百亚卫生用品有限公司 | Double-layered absorption core body and paper diaper |
| JP2018068739A (en) * | 2016-10-31 | 2018-05-10 | 日本製紙クレシア株式会社 | Absorbent article |
| CN211213899U (en) * | 2019-06-28 | 2020-08-11 | 雀氏（福建）实业发展有限公司 | Absorbent article with foldable double cores |
| CN212439076U (en) * | 2019-12-17 | 2021-02-02 | 山东爸爸的选择健康科技有限公司 | Absorbent core |
-
2021
- 2021-02-03 CN CN202110149138.8A patent/CN112972119B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1326725A (en) * | 2000-05-12 | 2001-12-19 | 强生股份有限公司 | Sanitary napkins with ventilation extension piece |
| US20070239128A1 (en) * | 2006-04-06 | 2007-10-11 | Uni-Charm Corporation | Disposable diaper |
| CN203483587U (en) * | 2013-08-09 | 2014-03-19 | 重庆百亚卫生用品有限公司 | Double-layered absorption core body and paper diaper |
| JP2018068739A (en) * | 2016-10-31 | 2018-05-10 | 日本製紙クレシア株式会社 | Absorbent article |
| CN211213899U (en) * | 2019-06-28 | 2020-08-11 | 雀氏（福建）实业发展有限公司 | Absorbent article with foldable double cores |
| CN212439076U (en) * | 2019-12-17 | 2021-02-02 | 山东爸爸的选择健康科技有限公司 | Absorbent core |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114931467A (en) * | 2022-05-09 | 2022-08-23 | 美佳爽（中国）有限公司 | Preparation method of novel ultrathin core |
| CN115154048A (en) * | 2022-06-27 | 2022-10-11 | 福建恒安集团有限公司 | Production process of absorption core |
| CN115154048B (en) * | 2022-06-27 | 2023-06-20 | 福建恒安集团有限公司 | Production process of absorption core |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112972119B (en) | 2022-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112972119B (en) | Preparation method of paper diaper core | |
| CN102172340B (en) | Liquid distribution unit and absorbent product having the same | |
| US4293294A (en) | Circular extrusion apparatus providing for rotation around the extrusion opening | |
| CA2264153C (en) | Highly absorbent composite compositions, absorbent sheets provided with the compositions, and process for producing the same | |
| CN102026603B (en) | Absorptive article | |
| CN112545765B (en) | Preparation method of composite core | |
| CN112957178B (en) | Preparation method of low-rewet absorbent article | |
| MXPA00010392A (en) | Apparatus, method and system for air opening of textile tow and opened textile tow web produced thereby. | |
| CN102573727A (en) | Absorbent article and manufacturing apparatus for absorbent article | |
| CN104665994A (en) | Pressing technology for nursing mat | |
| CN107904787A (en) | A kind of spun-bonded non-woven and its production technology of urine pants guide layer | |
| CN115517861B (en) | Quick-drying absorbent core | |
| CN211863130U (en) | Ultrathin disposable 3D absorption article | |
| CN211326180U (en) | Core body for hygienic product | |
| CN109106513B (en) | Composite absorption core | |
| JP4397746B2 (en) | Absorbent articles | |
| CN101198304A (en) | Absorbent article | |
| CN211535172U (en) | Disposable hygienic product high strength absorption core and manufacturing device thereof | |
| CN211326185U (en) | T-shaped core body | |
| CN219423157U (en) | Quick-drying absorbent core | |
| CN211326181U (en) | Core body for hygienic product | |
| CN210330916U (en) | Composite core and manufacturing device thereof | |
| CN210330918U (en) | Core body for hygienic product and production device | |
| CN210521216U (en) | MW type polymer composite core | |
| CN1236124C (en) | Apparatus, method and system for air-opening textile fiber bundle and production of opened textile fiber bundle net |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |